package cn.zld.sh.sh.util;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Handler;
import android.os.Looper;
import android.widget.ImageView;

import com.alibaba.fastjson.JSONArray;
import com.google.gson.Gson;
import com.google.gson.internal.$Gson$Types;
import com.squareup.okhttp.Call;
import com.squareup.okhttp.Callback;
import com.squareup.okhttp.FormEncodingBuilder;
import com.squareup.okhttp.Headers;
import com.squareup.okhttp.MediaType;
import com.squareup.okhttp.MultipartBuilder;
import com.squareup.okhttp.OkHttpClient;
import com.squareup.okhttp.Request;
import com.squareup.okhttp.RequestBody;
import com.squareup.okhttp.Response;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.net.CookieManager;
import java.net.CookiePolicy;
import java.net.FileNameMap;
import java.net.URLConnection;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.zip.GZIPInputStream;

/**
 * @author xing
 * @time 2018年8月16日15:34:54
 * @描述 Log日志打印类
 */
public class OkHttpClientManager {
	private static OkHttpClientManager mInstance;
	private OkHttpClient mOkHttpClient;
	private Handler mDelivery;
	private Gson mGson;
    private  static int i=0,j=1,k=2;
	private static final String TAG = "OkHttpClientManager";
	private OkHttpClientManager() {
		mOkHttpClient = new OkHttpClient();
		// cookie enabled
		mOkHttpClient.setCookieHandler(new CookieManager(null,
				CookiePolicy.ACCEPT_ORIGINAL_SERVER));
		mDelivery = new Handler(Looper.getMainLooper());
		mGson = new Gson();
	}
	public static OkHttpClientManager getInstance() {
		if (mInstance == null) {
			synchronized (OkHttpClientManager.class) {
				if (mInstance == null) {
					mInstance = new OkHttpClientManager();
				}
			}
		}
		return mInstance;
	}
	// 判断当前是否有网络
	public static int isConnection(Context context) {
		ConnectivityManager m = (ConnectivityManager) context
				.getSystemService(Context.CONNECTIVITY_SERVICE);
		NetworkInfo info = m.getActiveNetworkInfo();
		if (info != null&&info.getType() == ConnectivityManager.TYPE_MOBILE) {
			return i;
		} else if(info!=null&&info.getType()==ConnectivityManager.TYPE_WIFI){
			return j;
		}
		else{
			return k;
		}
	}
	/**
	 * 同步的Get请求
	 * @param url
	 * @return Response
	 */
	private Response _getAsyn(String url) throws IOException {
		final Request request = new Request.Builder().url(url).build();
		Call call = mOkHttpClient.newCall(request);
		Response execute = call.execute();
		return execute;
	}
	/**
	 * 同步的Get请求
	 * @param url
	 * @return Response
	 */
	private Response _getAsyn(String url,Map<String, String> header) throws IOException {
		final Request.Builder rb = new Request.Builder();
		rb.url(url);
		for(String key : header.keySet()){
			rb.addHeader(key , header.get(key));
		}
		Call call = mOkHttpClient.newCall(rb.build());
		Response execute = call.execute();
		return execute;
	}
	/**
	 * 同步的Get请求
	 * @param url
	 * @return 字符串
	 */
	private String _getAsString(String url) throws IOException {
		Response execute = _getAsyn(url);
		return execute.body().string();
	}
	
	/**
	 * 异步的get请求
	 * @param url
	 * @param callback
	 */
	private void _getAsyn(String url, final ResultCallback callback) {
		final Request request = new Request.Builder().url(url).build();
		deliveryResult(callback, request);
	}
	/**
	 * 同步的Post请求
	 * @param url
	 * @param params post的参数
	 * @return
	 */
	private Response _post(String url, Param... params) throws IOException {
		Request request = buildPostRequest(url, params);
		Response response = mOkHttpClient.newCall(request).execute();
		return response;
	}

	/**
	 * 同步的Post请求
	 * @param url
	 * @param params post的参数
	 * @return
	 */
	private Response _post(String url, Map<String, String> header, Param... params) throws IOException {
		Request request = buildPostRequest(url, header, params);
		Response response = mOkHttpClient.newCall(request).execute();
		return response;
	}


	/**
	 * 同步的Post请求
	 * @param url
	 * @param params post的参数
	 * @return 字符串
	 */
	private String _postAsString(String url, Param... params)
			throws IOException {
		Response response = _post(url, params);
		return response.body().string();
	}
	/**
	 * 异步的post请求
	 * @param url
	 * @param callback
	 * @param params
	 */
	private void _postAsyn(String url, final ResultCallback callback,
			Param... params) {
		Request request = buildPostRequest(url, params);
		deliveryResult(callback, request);
	}
	/**
	 * 异步的post请求
	 * @param url
	 * @param callback
	 * @param params
	 */
	private void _postAsyn(String url, final ResultCallback callback,
	Map<String, String> params) {
		Param[] paramsArr = map2Params(params);
		Request request = buildPostRequest(url, paramsArr);
		deliveryResult(callback, request);
	}
	/**
	 * 同步基于post的文件上传
	 * @param params
	 * @return
	 */
	private Response _post(String url, File[] files, String[] fileKeys,
			Param... params) throws IOException {
		Request request = buildMultipartFormRequest(url, files, fileKeys,
				params);
		return mOkHttpClient.newCall(request).execute();
	}
	private Response _post(String url, File file, String fileKey)
			throws IOException {
		Request request = buildMultipartFormRequest(url, new File[] { file },
				new String[] { fileKey }, null);
		return mOkHttpClient.newCall(request).execute();
	}
	private Response _post(String url, File file, String fileKey,
			Param... params) throws IOException {
		Request request = buildMultipartFormRequest(url, new File[] { file },
				new String[] { fileKey }, params);
		return mOkHttpClient.newCall(request).execute();
	}
	/**
	 * 异步基于post的文件上传
	 * @param url
	 * @param callback
	 * @param files
	 * @param fileKeys
	 * @throws IOException
	 */
	private void _postAsyn(String url, ResultCallback callback, File[] files,
			String[] fileKeys, Param... params) throws IOException {
		Request request = buildMultipartFormRequest(url, files, fileKeys,
				params);
		deliveryResult(callback, request);
	}
	/**
	 * 异步基于post的文件上传，单文件不带参数上传
	 * @param url
	 * @param callback
	 * @param file
	 * @param fileKey
	 * @throws IOException
	 */
	private void _postAsyn(String url, ResultCallback callback, File file,
			String fileKey) throws IOException {
		Request request = buildMultipartFormRequest(url, new File[] { file },
				new String[] { fileKey }, null);
		deliveryResult(callback, request);
	}
	/**
	 * 异步基于post的文件上传，单文件且携带其他form参数上传
	 * @param url
	 * @param callback
	 * @param file
	 * @param fileKey
	 * @param params
	 * @throws IOException
	 */
	private void _postAsyn(String url, ResultCallback callback, File file,
			String fileKey, Param... params) throws IOException {
		Request request = buildMultipartFormRequest(url, new File[] { file },
				new String[] { fileKey }, params);
		deliveryResult(callback, request);
	}
	/**
	 * 异步下载文件
	 * @param url
	 * @param destFileDir 本地文件存储的文件夹
	 * @param callback
	 */
	private void _downloadAsyn(final String url, final String destFileDir,
			final ResultCallback callback) {
		final Request request = new Request.Builder().url(url).build();
		final Call call = mOkHttpClient.newCall(request);
		call.enqueue(new Callback() {
			@Override
			public void onFailure(final Request request, final IOException e) {
				sendFailedStringCallback(request, e, callback);
			}
			@Override
			public void onResponse(Response response) {
				InputStream is = null;
				byte[] buf = new byte[2048];
				int len = 0;
				FileOutputStream fos = null;
				try {
					is = response.body().byteStream();
					File file = new File(destFileDir, getFileName(url));
					fos = new FileOutputStream(file);
					while ((len = is.read(buf)) != -1) {
						fos.write(buf, 0, len);
					}
					fos.flush();
					// 如果下载文件成功，第一个参数为文件的绝对路径
					sendSuccessResultCallback(file.getAbsolutePath(), callback);
				} catch (IOException e) {
					sendFailedStringCallback(response.request(), e, callback);
				} finally {
					try {
						if (is != null)
							is.close();
					} catch (IOException e) {
					}
					try {
						if (fos != null)
							fos.close();
					} catch (IOException e) {
					}
				}

			}
		});
	}
	private String getFileName(String path) {
		int separatorIndex = path.lastIndexOf("/");
		return (separatorIndex < 0) ? path : path.substring(separatorIndex + 1,
				path.length());
	}
	
	/**
	 * 加载图片
	 * @param view
	 * @param url
	 * @throws IOException
	 */
	private void _displayImage(final ImageView view, final String url,
			final int errorResId) {
		final Request request = new Request.Builder().url(url).build();
		Call call = mOkHttpClient.newCall(request);
		call.enqueue(new Callback() {
			@Override
			public void onFailure(Request request, IOException e) {
				setErrorResId(view, errorResId);
			}
			@Override
			public void onResponse(Response response) {
				InputStream is = null;
				try {
					is = response.body().byteStream();
					ImageUtils.ImageSize actualImageSize = ImageUtils
							.getImageSize(is);
					ImageUtils.ImageSize imageViewSize = ImageUtils
							.getImageViewSize(view);
					int inSampleSize = ImageUtils.calculateInSampleSize(
							actualImageSize, imageViewSize);
					try {
						is.reset();
					} catch (IOException e) {
						response = _getAsyn(url);
						is = response.body().byteStream();
					}
					BitmapFactory.Options ops = new BitmapFactory.Options();
					ops.inJustDecodeBounds = false;
					ops.inSampleSize = inSampleSize;
					final Bitmap bm = BitmapFactory.decodeStream(is, null, ops);
					mDelivery.post(new Runnable() {
						@Override
						public void run() {
							view.setImageBitmap(bm);
						}
					});
				} catch (Exception e) {
					setErrorResId(view, errorResId);

				} finally {
					if (is != null)
						try {
							is.close();
						} catch (IOException e) {
							e.printStackTrace();
						}
				}
			}
		});
	}
	private void setErrorResId(final ImageView view, final int errorResId) {
		mDelivery.post(new Runnable() {
			@Override
			public void run() {
				view.setImageResource(errorResId);
			}
		});
	}
	// *************对外公布的方法************
	public static Response getAsyn(String url) throws IOException {
		return getInstance()._getAsyn(url);
	}
	// *************对外公布的方法************
	public static Response getAsyn(String url,Map<String, String> headers) throws IOException {
		return getInstance()._getAsyn(url, headers);
	}
	public static String getAsString(String url) throws IOException {
		return getInstance()._getAsString(url);
	}
	// 异步get请求的对外开放的方法
	public static void getAsyn(String url, ResultCallback callback) {
		getInstance()._getAsyn(url, callback);
	}
	public static Response post(String url, Param... params) throws IOException {
		return getInstance()._post(url, params);
	}
	public static Response post(String url, Map<String, String> header, Param... params) throws IOException {
		return getInstance()._post(url, header, params);
	}
	public static String postAsString(String url, Param... params)
			throws IOException {
		return getInstance()._postAsString(url, params);
	}

	public static void postAsyn(String url, final ResultCallback callback,
			Param... params) {
		getInstance()._postAsyn(url, callback, params);
	}
	// 对外开放的Post请求的方法
	public static void postAsyn(String url, final ResultCallback callback,
			Map<String, String> params) {
		getInstance()._postAsyn(url, callback, params);
	}
	public static Response post(String url, File[] files, String[] fileKeys,
			Param... params) throws IOException {
		return getInstance()._post(url, files, fileKeys, params);
	}
	public static Response post(String url, File file, String fileKey)
			throws IOException {
		return getInstance()._post(url, file, fileKey);
	}
	public static Response post(String url, File file, String fileKey,
			Param... params) throws IOException {
		return getInstance()._post(url, file, fileKey, params);
	}
	public static void postAsyn(String url, ResultCallback callback,
			File[] files, String[] fileKeys, Param... params)
			throws IOException {
		getInstance()._postAsyn(url, callback, files, fileKeys, params);
	}
	public static void postAsyn(String url, HashMap<String, Object> map,
			ResultCallback callback) {
		JSONArray ja = new JSONArray();
		ja.add(map);
		String string = ja.toJSONString();
//		string = ProssUtil.AESEncode(string);
//		string = ProssUtil.encryptBASE64(string);
		LogUtils.i("string", "&&&&&&&&&&" + string);
		try {
			getInstance()._postAsyn(url, callback, new Param("data", string));// 将数据赋值给data并提交

		} catch (Exception e) {

		}
	}
	public static void postAsyn(String url, ResultCallback callback, File file,
			String fileKey) throws IOException {
		getInstance()._postAsyn(url, callback, file, fileKey);
	}
	public static void postAsyn(String url, ResultCallback callback, File file,
			String fileKey, Param... params) throws IOException {
		getInstance()._postAsyn(url, callback, file, fileKey, params);
	}
	public static void displayImage(final ImageView view, String url,
			int errorResId) throws IOException {
		getInstance()._displayImage(view, url, errorResId);
	}
	public static void displayImage(final ImageView view, String url) {
		getInstance()._displayImage(view, url, -1);
	}
	public static void downloadAsyn(String url, String destDir,
			ResultCallback callback) {
		getInstance()._downloadAsyn(url, destDir, callback);
	}
	// ****************************
	private Request buildMultipartFormRequest(String url, File[] files,
			String[] fileKeys, Param[] params) {
		params = validateParam(params);
		MultipartBuilder builder = new MultipartBuilder()
				.type(MultipartBuilder.FORM);
		for (Param param : params) {
			builder.addPart(
					Headers.of("Content-Disposition", "form-data; name=\""
							+ param.key + "\""),
					RequestBody.create(null, param.value));
		}
		if (files != null) {
			RequestBody fileBody = null;
			for (int i = 0; i < files.length; i++) {
				File file = files[i];
				String fileName = file.getName();
				fileBody = RequestBody.create(
						MediaType.parse(guessMimeType(fileName)), file);
				// TODO 根据文件名设置contentType
				builder.addPart(
						Headers.of("Content-Disposition", "form-data; name=\""
								+ fileKeys[i] + "\"; filename=\"" + fileName
								+ "\""), fileBody);
			}
		}
		RequestBody requestBody = builder.build();
		return new Request.Builder().url(url).post(requestBody).build();
	}
	private String guessMimeType(String path) {
		FileNameMap fileNameMap = URLConnection.getFileNameMap();
		String contentTypeFor = fileNameMap.getContentTypeFor(path);
		if (contentTypeFor == null) {
			contentTypeFor = "application/octet-stream";
		}
		return contentTypeFor;
	}
	private Param[] validateParam(Param[] params) {
		if (params == null)
			return new Param[0];
		else
			return params;
	}
	private Param[] map2Params(Map<String, String> params) {
		if (params == null)
			return new Param[0];
		int size = params.size();
		Param[] res = new Param[size];
		Set<Map.Entry<String, String>> entries = params.entrySet();
		int i = 0;
		for (Map.Entry<String, String> entry : entries) {
			res[i++] = new Param(entry.getKey(), entry.getValue());
		}
		return res;
	}
	private static final String SESSION_KEY = "Set-Cookie";
	private static final String mSessionKey = "JSESSIONID";
	private Map<String, String> mSessions = new HashMap<String, String>();
	private void deliveryResult(final ResultCallback callback, Request request) {
		mOkHttpClient.newCall(request).enqueue(new Callback() {
			@Override
			public void onFailure(final Request request, final IOException e) {
				sendFailedStringCallback(request, e, callback);
			}

			@Override
			public void onResponse(final Response response) {
				try {
					final String string = response.body().string();
					if (callback.mType == String.class) {
						sendSuccessResultCallback(string, callback);
					} else {
						Object o = mGson.fromJson(string, callback.mType);
						sendSuccessResultCallback(o, callback);
					}
				} catch (IOException e) {
					sendFailedStringCallback(response.request(), e, callback);
				} catch (com.google.gson.JsonParseException e)// Json解析的错误
				{
					sendFailedStringCallback(response.request(), e, callback);
				}
			}
		});
	}

	private void sendFailedStringCallback(final Request request,
			final Exception e, final ResultCallback callback) {
		mDelivery.post(new Runnable() {
			@Override
			public void run() {
				if (callback != null)
					callback.onError(request, e);
			}
		});
	}

	private void sendSuccessResultCallback(final Object object,
			final ResultCallback callback) {
		mDelivery.post(new Runnable() {
			@Override
			public void run() {
				if (callback != null) {
					callback.onResponse(object);
				}
			}
		});
	}

	private Request buildPostRequest(String url, Param[] params) {
		if (params == null) {
			params = new Param[0];
		}
		FormEncodingBuilder builder = new FormEncodingBuilder();
		for (Param param : params) {
			builder.add(param.key, param.value);
		}
		RequestBody requestBody = builder.build();
		return new Request.Builder().url(url).post(requestBody).build();
	}

	private Request buildPostRequest(String url, Map<String, String> header, Param[] params) {
		if (params == null) {
			params = new Param[0];
		}
		FormEncodingBuilder builder = new FormEncodingBuilder();
		for (Param param : params) {
			builder.add(param.key, param.value);
		}
		RequestBody requestBody = builder.build();
		Request.Builder rb = new Request.Builder();
		rb.url(url).post(requestBody);
		for(String key : header.keySet()){
			rb.addHeader(key , header.get(key));
		}
		return rb.build();
	}

	public static abstract class ResultCallback<T> {
		Type mType;

		public ResultCallback() {
			mType = getSuperclassTypeParameter(getClass());
		}

		static Type getSuperclassTypeParameter(Class<?> subclass) {
			Type superclass = subclass.getGenericSuperclass();
			if (superclass instanceof Class) {
				throw new RuntimeException("Missing type parameter.");
			}
			ParameterizedType parameterized = (ParameterizedType) superclass;
			return $Gson$Types.canonicalize(parameterized
					.getActualTypeArguments()[0]);
		}

		public abstract void onError(Request request, Exception e);

		public abstract void onResponse(T response);
	}

	public static class Param {
		public Param() {
		}

		public Param(String key, String value) {
			this.key = key;
			this.value = value;
		}
		String key;
		String value;
	}

	/**
	 * 字符串的解压
	 *
	 * @param str
	 * 对字符串解压
	 * @return 返回解压缩后的字符串
	 * @throws IOException
	 */
	public static String unCompress(String str) throws IOException {
		if (null == str || str.length() <= 0) {
			return str;
		}

// 创建一个新的 byte 数组输出流
		ByteArrayOutputStream out = new ByteArrayOutputStream();
// 创建一个 ByteArrayInputStream，使用 buf 作为其缓冲区数组
		ByteArrayInputStream in = new ByteArrayInputStream(str
				.getBytes("UTF-8"));
// 使用默认缓冲区大小创建新的输入流
		GZIPInputStream gzip = new GZIPInputStream(in);
		byte[] buffer = new byte[256];
		int n = 0;
		while ((n = gzip.read(buffer)) >= 0) {// 将未压缩数据读入字节数组
// 将指定 byte 数组中从偏移量 off 开始的 len 个字节写入此 byte数组输出流
			out.write(buffer, 0, n);
		}
// 使用指定的 charsetName，通过解码字节将缓冲区内容转换为字符串
		return out.toString("UTF-8");
	}
}
